pnowojski commented on a change in pull request #7440: [FLINK-10591][table]
Introduced functions to return time attributes from MATCH_RECOGNIZE
URL: https://github.com/apache/flink/pull/7440#discussion_r247529112
##########
File path:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/runtime/stream/sql/MatchRecognizeITCase.scala
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@@ -311,6 +312,61 @@ class MatchRecognizeITCase extends
StreamingWithStateTestBase {
assertEquals(expected.sorted, StreamITCase.testResults.sorted)
}
+ @Test
+ def testWindowedGroupingAppliedToMatchRecognize(): Unit = {
+ val env = StreamExecutionEnvironment.getExecutionEnvironment
+ env.setParallelism(1)
+ env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime)
+ val tEnv = TableEnvironment.getTableEnvironment(env)
+ StreamITCase.clear
+
+ val data = new mutable.MutableList[(String, Long, Int, Int)]
+ //first window
+ data.+=(("ACME", Time.seconds(1).toMilliseconds, 1, 1))
+ data.+=(("ACME", Time.seconds(2).toMilliseconds, 2, 2))
+ //second window
+ data.+=(("ACME", Time.seconds(4).toMilliseconds, 1, 4))
+ data.+=(("ACME", Time.seconds(5).toMilliseconds, 1, 3))
+
+
+ val t = env.fromCollection(data)
+ .assignAscendingTimestamps(e => e._2)
+ .toTable(tEnv, 'symbol, 'tstamp.rowtime, 'price, 'tax)
+ tEnv.registerTable("Ticker", t)
+
+ val sqlQuery =
+ s"""
+ |SELECT
+ | symbol,
+ | SUM(price) as price,
+ | TUMBLE_ROWTIME(tstamp, interval '3' second) as rowTime,
+ | TUMBLE_START(tstamp, interval '3' second) as startTime
+ |FROM Ticker
+ |MATCH_RECOGNIZE (
+ | PARTITION BY symbol
+ | ORDER BY tstamp
+ | MEASURES
+ | A.price as price,
+ | A.tax as tax,
+ | MATCH_ROWTIME() as tstamp
Review comment:
`tstamp` -> `timeStamp`/`rowTime`
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